170421-N-UB927-054 SAN DIEGO (April 21, 2017) Chief petty officers assigned to the amphibious assault ship USS Boxer (LHD 4) pose with the Battle Effectiveness, or ‘Battle E,’ award after an all-hands call. Boxer is at it's homeport undergoing a phased maintenance availability. (U.S. Navy photo by Mass Communication Specialist 3rd Class Brett A. Anderson/Released)